The control system must focus on project objectives, with the aim of ensuring that the project mission is achieved. To do that, the control system should be designed with these questions in mind:
What is important to the organization?
What are we attempting to do?
Which aspects of the work are most important to track and control?
What are the critical points in the process at which controls should be placed?
Control should be exercised over what is important. On the other hand, what is controlled tends to become important. Thus, if budgets and schedules are emphasized to the exclusion of quality, only those will be controlled. The project may well come in on time and within budget, but at the expense ...